marathon. she is not calling these individuals, quote, suspects. and she didn't go into any other detail other than to say that the video has raised questions about these individuals. we don't know how many, but that the fbi would like to interview them. she also said it's still not clear if the bombs were the work of foreign or of domestic terrorists, but she said that the investigation is continuing. jennifer davis in boston, she's been covering the events there all week. some final thoughts from you, jennifer. >> reporter: well, rick, the white house said the president was personally involved in writing this speech, and his goal was twofold; both to come here and offer his condolences to the people of boston, but also to applaud their resolve. and on the streets of boston, certainly, we're seeing that as people come back out, head to work, walk their children to school, enjoy the beautiful parks. also all eyes remain on the fbi, waiting for word to see if they're getting closer to finding who was responsible. rick?